NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5306 › 5306-00-182-1888
Close Tolerance Bolt P/N AN175-4A
In stock — 47 on our U.S. shelfNSN 5306-00-182-1888 5306001821888 NIIN 001821888
SECO Parts has 47 in stock of NSN 5306-00-182-1888 — Close Tolerance Bolt — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Typical price: $25–$40 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
- Federal supply class
- FSC 5306 — Bolts
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 47 |
| Total | 47 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5306-00-182-1888 001821888 AN175-4A
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
- Surface treatment
- Overall Cadmium and Chromate
- Surface treatment document and classification
- Overall Fed Spec All Treatment Responses QQ--416,TY 2,CL 3
- Grip length
- 0.062 in (nominal)
- Fastener length
- 0.594 in (nominal)
- Nominal thread diameter
- Inches 0.312
- Material document and classification
- Overall MIL Spec 1ST Material Response -IL-S-6049 or MIL Spec 2ND Material Response -IL-S-6050 or MIL Spec 3RD Material Response -IL-S-6098 or MIL Spec 4TH Material Response -IL-S-5626 or MIL Spec 5TH Material Response -IL-S-6758 or Assn STD 6TH Material Response A-S 6300
- Thread class
- 3A
- Thread direction
- Right-Hand
- Thread length
- 0.531 in minimum
- Hardness rating
- Overall Rockwell C Minimum 26.0 and Rockwell C Maximum 32.0
- Surface finish
- Bearing Surface of Head Microinches 63.0
- Surface finish
- Grip Microinches 63.0
- Material
- Overall Steel Comp 8740 or Steel Comp 8630 or Steel Comp 8735 or Steel Comp 4140 or Steel Comp 4130 or Steel Comp 4037
- Thread quantity per inch
- 24
- Minimum tensile strength
- Pounds Per Square Inch 125000
- Width between flats
- 0.490–0.502 in
- Grip diameter
- 0.3112–0.3117 in
- Thread series designator
- UNF
- Head height
- 0.172–0.204 in
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
AN175-4A
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 47 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 5306-00-182-1888?
NSN 5306-00-182-1888 (5306001821888) — Close Tolerance Bolt: SECO Parts has 47 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 5306-00-182-1888 available?
SECO Parts has 47 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5306-00-182-1888 cost?
SECO typically prices parts like NSN 5306-00-182-1888 at $25–$40 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 5306-00-182-1888?
Part numbers that cross-reference this NSN include AN175-4A. 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.