NSN catalog · 90,963 partsCatalog › Hardware and Abrasives › FSC 5306 › 5306-00-050-1238
Machine Bolt P/N B1821BH031F075N
In stock — 2438 on our U.S. shelfNSN 5306-00-050-1238 5306000501238 NIIN 000501238
SECO Parts has 2,438 in stock of NSN 5306-00-050-1238 — Machine Bolt — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
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 | NE | 2098 |
| New Surplus | NS | 340 |
| Total | 2438 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5306-00-050-1238 000501238 B1821BH031F075N 71144-32 MS90727-32 MS90726-32 10388912
In the parts manual
| Manual | Figure | Item | Fits |
|---|---|---|---|
| TM 9-2320-280-24P | Fig. 433 — Cargo Barrier Extension Kit | 9 | HMMWV: M998, M998A1, M1038, M1038A1, M1097, M1097A1 and 2 more |
From the Army repair parts manual's parts list and its usable-on codes. The figure page shows the exploded drawing and every other part in the assembly.
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
- 2A
- Thread direction
- Right-Hand
- Thread length
- 0.615–0.719 in
- Fastener length
- 0.719–0.750 in
- Head height
- 0.195–0.211 in
- Width between flats
- 0.489–0.500 in
- Nominal thread diameter
- Inches 0.312
- Features provided
- Finished Head
- Thread quantity per inch
- 24
- Minimum tensile strength
- Pounds Per Square Inch 150000
- Hardness rating
- Overall Rockwell C Minimum 32.0 and Rockwell C Maximum 38.0
- Surface finish
- Threads Microinches 63.0
- Material
- Overall Steel
- Material document and classification
- Overall Assn STD Single Material Response SAE GR 8
- Surface treatment
- Overall Zinc and Chromate
- Surface treatment document and classification
- Overall Assn STD Single Treatment Response Ast- B633 TY 2 SC 3
- Thread series designator
- UNF
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
B1821BH031F075N 71144-32 MS90727-32
Also referenced as
MS90726-32 10388912
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.
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 | D DLA/GSA stocked — stocked by DLA or GSA and issued from central stock |
| Unit of issue | HD hundred |
| 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 5306-00-050-1238?
NSN 5306-00-050-1238 (5306000501238) — Machine Bolt: SECO Parts has 2,438 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 5306-00-050-1238 available?
SECO Parts has 2438 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5306-00-050-1238 cost?
SECO quotes NSN 5306-00-050-1238 on request, usually the same business day.
What part numbers cross-reference to NSN 5306-00-050-1238?
Part numbers that cross-reference this NSN include B1821BH031F075N, 71144-32, MS90727-32. It is also referenced by older, superseded or advisory numbers: MS90726-32, 10388912. 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.