NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5306 › 5306-00-121-8850
Close Tolerance Bolt P/N MS27576-4-25
In stock — 32 on our U.S. shelfNSN 5306-00-121-8850 5306001218850 NIIN 001218850
SECO Parts has 32 in stock of NSN 5306-00-121-8850 — Close Tolerance Bolt — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $50–$95 each — an estimate from the government catalog price and what we have charged for similar parts. Not a quote: request one for your price. Quote lines carry a $50 minimum.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- BOLT,CLOSE TOLERANCE
- SECO description
- BOLT, CLOSE TOLERANCE
- Federal supply class
- FSC 5306 — Bolts
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 32 |
| Total | 32 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5306-00-121-8850 001218850 MS27576-4-25 MS27576-4-25R CA4510-4-25 106467-4-25 AS194-4-25 CIPRD-MS27576-4-25R
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Thread length
- 0.283–0.334 in
- Nominal thread diameter
- Inches 0.250
- Grip length
- 1.562–1.578 in
- Thread quantity per inch
- 28
- Shank unthreaded hole diameter
- First Hole Inches Minimum 0.076 and Inches Maximum 0.086
- Thread direction
- Right-Hand
- Thread series designator
- Unified National Joint Fine (Unjf)
- Special features
- W/retaining Element on Shank
- Material
- Overall Steel
- Thread class
- 3A
- Surface treatment
- Overall Cadmium and Chromate
- Distance from head largest bearing surface to shank hole center
- First Hole Inches Minimum 1.881 and Inches Maximum 1.911
- Surface finish
- Bearing Surface of Head Microinches 63.0
- Fastener length
- 1.991–2.001 in
- Head height
- 0.126–0.141 in
- Width between flats
- 0.430–0.439 in
- Grip diameter
- 0.2483–0.2492 in
- Hardness rating
- Overall Rockwell C Minimum 36.0 and Rockwell C Maximum 41.0
- Surface finish
- Grip Microinches 63.0
- Material document and classification
- Overall MIL Spec Single Material Response -IL-B-83050
- Surface treatment document and classification
- Overall Fed Spec All Treatment Responses QQ--416 TY 2 CL 2
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS27576-4-25 MS27576-4-25R CA4510-4-25 106467-4-25 AS194-4-25 CIPRD-MS27576-4-25R
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue. SECO has 32 on the shelf |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5306-00-121-8850?
NSN 5306-00-121-8850 (5306001218850) — Close Tolerance Bolt: SECO Parts has 32 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for close tolerance bolt in federal supply class 5306 (Bolts).
Is NSN 5306-00-121-8850 available?
SECO Parts has 32 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5306-00-121-8850 cost?
SECO typically prices parts like NSN 5306-00-121-8850 at $50–$95 each: an estimate from the government catalog price and what SECO has charged for similar parts. It is not a quote — request one for your price, usually answered the same business day. Quote lines carry a $50 minimum.
What part numbers cross-reference to NSN 5306-00-121-8850?
Part numbers that cross-reference this NSN include MS27576-4-25, MS27576-4-25R, CA4510-4-25, 106467-4-25, AS194-4-25, CIPRD-MS27576-4-25R. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names BOLT,CLOSE TOLERANCE. Same name is not the same part: check the part numbers.