NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5306 › 5306-01-398-5022
Machine Bolt P/N MS21250-04019
In stock — 927 on our U.S. shelfNSN 5306-01-398-5022 5306013985022 NIIN 013985022
SECO Parts has 927 in stock of NSN 5306-01-398-5022 — Machine Bolt — on our own shelf in Augusta, GA: a stocking supplier, not a broker. Low-cost part: quoted by the line, $50 minimum per line; quantity pricing on request.
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,MACHINE
- SECO description
- BOLT, MACHINE
- Federal supply class
- FSC 5306 — Bolts
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 927 |
| Total | 927 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5306-01-398-5022 013985022 MS21250-04019
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 class
- 3A
- Thread direction
- Right-Hand
- Thread length
- 0.492 in (nominal)
- Fastener length
- 1.679 in (nominal)
- Head height
- 0.300 in (nominal)
- Width between flats
- 0.312 in (nominal)
- Extended washer diameter
- 0.248–0.249 in
- Extended washer thickness
- 0.069 in (nominal)
- Nominal thread diameter
- Inches 0.250
- Grip length
- 1.177–1.197 in
- Features provided
- Finished Head
- Thread quantity per inch
- 28
- Minimum tensile strength
- Pounds Per Square Inch 180000
- Hardness rating
- Overall Rockwell C Minimum 39.0 and Rockwell C Maximum 43.0
- Surface finish
- Fastener Microinches 32.0
- Surface finish
- Threads Microinches 32.0
- Surface finish
- Bearing Surface of Head Microinches 32.0
- Material
- Overall Steel Comp 4140 or Steel Comp E4340 or Steel Comp 8740 or Steel Comp 6150
- Material document and classification
- Overall MIL Spec 1ST Material Response -IL-S-5626 or MIL Spec 2ND Material Response -IL-S-5000 or MIL Spec 3RD Material Response -IL-S-6049 or MIL Spec 4TH Material Response -IL-S-8503
- Surface treatment
- Overall Passivate
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--416 TY2 CL2
- Thread series designator
- Unified National Joint Fine (Unjf)
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
MS21250-04019
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 927 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 5306-01-398-5022?
NSN 5306-01-398-5022 (5306013985022) — Machine Bolt: SECO Parts has 927 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for machine bolt in federal supply class 5306 (Bolts).
Is NSN 5306-01-398-5022 available?
SECO Parts has 927 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5306-01-398-5022 cost?
NSN 5306-01-398-5022 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line, and quantity pricing on request — usually answered the same business day.
What part numbers cross-reference to NSN 5306-01-398-5022?
Part numbers that cross-reference this NSN include MS21250-04019. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names BOLT,MACHINE. Same name is not the same part: check the part numbers.